| /* |
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| * Copyright 2007 Red Hat, Inc. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_ZERO_VM_NATIVEINST_ZERO_HPP |
| #define CPU_ZERO_VM_NATIVEINST_ZERO_HPP |
| |
| #include "asm/assembler.hpp" |
| #include "memory/allocation.hpp" |
| #include "runtime/icache.hpp" |
| #include "runtime/os.hpp" |
| #include "utilities/top.hpp" |
| |
| // We have interfaces for the following instructions: |
| // - NativeInstruction |
| // - - NativeCall |
| // - - NativeMovConstReg |
| // - - NativeMovConstRegPatching |
| // - - NativeJump |
| // - - NativeIllegalOpCode |
| // - - NativeReturn |
| // - - NativeReturnX (return with argument) |
| // - - NativePushConst |
| // - - NativeTstRegMem |
| |
| // The base class for different kinds of native instruction abstractions. |
| // Provides the primitive operations to manipulate code relative to this. |
| |
| class NativeInstruction VALUE_OBJ_CLASS_SPEC { |
| public: |
| bool is_jump() { |
| ShouldNotCallThis(); |
| return false; |
| } |
| |
| bool is_safepoint_poll() { |
| ShouldNotCallThis(); |
| return false; |
| } |
| }; |
| |
| inline NativeInstruction* nativeInstruction_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| class NativeCall : public NativeInstruction { |
| public: |
| enum zero_specific_constants { |
| instruction_size = 0 // not used within the interpreter |
| }; |
| |
| address instruction_address() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| address next_instruction_address() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| address return_address() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| address destination() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| void set_destination_mt_safe(address dest) { |
| ShouldNotCallThis(); |
| } |
| |
| void verify_alignment() { |
| ShouldNotCallThis(); |
| } |
| |
| void verify() { |
| ShouldNotCallThis(); |
| } |
| |
| static bool is_call_before(address return_address) { |
| ShouldNotCallThis(); |
| return false; |
| } |
| }; |
| |
| inline NativeCall* nativeCall_before(address return_address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| inline NativeCall* nativeCall_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| class NativeMovConstReg : public NativeInstruction { |
| public: |
| address next_instruction_address() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| intptr_t data() const { |
| ShouldNotCallThis(); |
| return 0; |
| } |
| |
| void set_data(intptr_t x) { |
| ShouldNotCallThis(); |
| } |
| }; |
| |
| inline NativeMovConstReg* nativeMovConstReg_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| class NativeMovRegMem : public NativeInstruction { |
| public: |
| int offset() const { |
| ShouldNotCallThis(); |
| return 0; |
| } |
| |
| void set_offset(intptr_t x) { |
| ShouldNotCallThis(); |
| } |
| |
| void add_offset_in_bytes(int add_offset) { |
| ShouldNotCallThis(); |
| } |
| }; |
| |
| inline NativeMovRegMem* nativeMovRegMem_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| class NativeJump : public NativeInstruction { |
| public: |
| enum zero_specific_constants { |
| instruction_size = 0 // not used within the interpreter |
| }; |
| |
| address jump_destination() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| void set_jump_destination(address dest) { |
| ShouldNotCallThis(); |
| } |
| |
| static void check_verified_entry_alignment(address entry, |
| address verified_entry) { |
| } |
| |
| static void patch_verified_entry(address entry, |
| address verified_entry, |
| address dest); |
| }; |
| |
| inline NativeJump* nativeJump_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| class NativeGeneralJump : public NativeInstruction { |
| public: |
| address jump_destination() const { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| static void insert_unconditional(address code_pos, address entry) { |
| ShouldNotCallThis(); |
| } |
| |
| static void replace_mt_safe(address instr_addr, address code_buffer) { |
| ShouldNotCallThis(); |
| } |
| }; |
| |
| inline NativeGeneralJump* nativeGeneralJump_at(address address) { |
| ShouldNotCallThis(); |
| return NULL; |
| } |
| |
| #endif // CPU_ZERO_VM_NATIVEINST_ZERO_HPP |